MongoDB Kotlin Driver

Introduction

Welcome to the documentation site for the Kotlin Driver, the official MongoDB driver for server-side Kotlin applications using coroutines. Download it using Maven or Gradle, or set up a runnable project by following our Quick Start guide.

If your Kotlin application requires synchronous processing, use the Sync Driver which uses synchronous operations to make blocking calls to MongoDB.

Quick Start

Learn how to establish a connection to MongoDB Atlas and begin working with data in the Quick Start section.

Quick Reference

See driver syntax examples for common MongoDB commands in the Quick Reference section.

Usage Examples

For fully runnable code snippets and explanations for common methods, see the Usage Examples section.

Fundamentals

Learn how to perform the following tasks using the Kotlin driver in the Fundamentals section:

• Connect to MongoDB

• Use the Stable API

• Authenticate with MongoDB

• Convert between MongoDB Data Formats and Kotlin Objects

• Read from and Write to MongoDB

• Simplify your Code with Builders

• Transform your Data

• Create Aggregation Expressions

• Create Indexes to Speed Up Queries

• Sort Using Collations

• Log Events in the Driver

• Monitor Driver Events

• Use a Time Series Collection

• Encrypt Fields in a Document

API Documentation

The MongoDB Kotlin driver API documentation contains several libraries organized by functionality. For detailed information about classes and methods in each library, see the following table for their descriptions and links to the API documentation.

FAQ

For answers to commonly asked questions about the MongoDB Kotlin Driver, see the Frequently Asked Questions (FAQ) section.

Connection Troubleshooting

For solutions to some issues you might experience when connecting to a MongoDB deployment while using the MongoDB Kotlin Driver, see the Connection Troubleshooting section.

Issues & Help

Learn how to report bugs, contribute to the driver, and find additional resources for asking questions and receiving help in the Issues & Help section.

Compatibility

For the compatibility charts that show the recommended Kotlin Driver version for each MongoDB Server version, see the Compatibility section.

What's New

For a list of new features and changes in each version, see the What's New section.

Learn

Visit the Developer Hub to learn more about the MongoDB Kotlin driver.